The most rugged and capable Apple Watch ever, designed for exploration, adventure, and endurance. With a 49mm aerospace-grade titanium case, extra-long battery life,¹ specialized apps that work with t more→he advanced sensors, and a new customizable Action button. What's in the Box • Ocean Band • USB-C Magnetic Fast Charging Cable Key Features • Specialized features, sensors, and three new bands designed for exploration, adventure, and endurance • 49mm aerospace-grade titanium case for an ideal balance of weight, strength, and corrosion resistance • The largest, brightest Apple Watch display for improved legibility in all conditions • Up to 36 hours of battery life for normal use